.travis.yml: run tests only on release branches

Author: bbert

.travis.yml

@@ -32,4 +32,4 @@ script:
     - if [[ "$BUILD" = "true" ]]; then npm run build ; fi
     - if [[ "$BUILD" = "true" ]]; then npm run deploy ; fi
     - if [[ "$BUILD" = "true" ]]; then npm run dist ; fi
-    - if [[ "$TEST" = "true" &&  "$TRAVIS_BRANCH" != "development" ]]; then npm test ; fi
+    - if [[ "$TEST" = "true" &&  "$TRAVIS_BRANCH" != "master" &&  "$TRAVIS_BRANCH" != "development" ]]; then npm test ; fi